
var timeStampService = {

 formatNumber:function(n) {
  n = n.toString()
  return n[1] ? n : '0' + n
},

 
// 时间戳转化为年/月/日/时/分/秒 
// number: 传入时间戳 
// format：返回格式，可自定义，但参数必须与formateArr里保持一致 
// 例：timeStampToDate:function(timeStamp,'Y/M/D h:m:s')
// 输出 2020/05/23 03:03:03

  timeStampToDate:function(timeStamp, format) {

  var formateArr = ['Y', 'M', 'D', 'h', 'm', 's'];
  var returnArr = [];
  

  var date = new Date(timeStamp);
  returnArr.push(date.getFullYear());
  returnArr.push(this.formatNumber(date.getMonth() + 1));
  returnArr.push(this.formatNumber(date.getDate()));

  returnArr.push(this.formatNumber(date.getHours()));
  returnArr.push(this.formatNumber(date.getMinutes()));
  returnArr.push(this.formatNumber(date.getSeconds()));

  for (var i in returnArr) {
      format = format.replace(formateArr[i], returnArr[i]);
  }
  return format;
}
}
module.exports = timeStampService;
